[archiso] Drop aitab support
Always create one filesystem of a fixed size (32G), format (ext4) and know name "airootfs". Simplify logic a lot.
This commit is contained in:
Gerardo Exequiel Pozzi
parent
9131f83404
commit
36459f3acc
@ -101,7 +101,7 @@ _verify_checksum() {
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}
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run_hook() {
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[[ -z "${arch}" ]] && arch="$(uname -m)"
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arch="$(uname -m)"
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[[ -z "${cowspace_size}" ]] && cowspace_size="75%"
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[[ -z "${copytoram_size}" ]] && copytoram_size="75%"
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[[ -z "${archisobasedir}" ]] && archisobasedir="arch"
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@ -113,12 +113,6 @@ run_hook() {
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cowfile_size=${cowfile_size/%}
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fi
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if [[ -z "${aitab}" ]]; then
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aitab="/run/archiso/bootmnt/${archisobasedir}/aitab"
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else
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aitab="/run/archiso/bootmnt/${archisobasedir}/${aitab}"
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fi
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if [[ -n "${cow_label}" ]]; then
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cow_device="/dev/disk/by-label/${cow_label}"
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[[ -z "${cow_persistent}" ]] && cow_persistent="P"
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@ -147,14 +141,6 @@ archiso_mount_handler() {
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fi
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fi
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if [[ ! -f "${aitab}" ]]; then
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echo "ERROR: '${aitab}' file does not exist."
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echo " Falling back to interactive prompt"
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echo " You can try to fix the problem manually, log out when you are finished"
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launch_interactive_shell
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fi
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if [[ "${checksum}" == "y" ]]; then
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if [[ -f "/run/archiso/bootmnt/${archisobasedir}/checksum.${arch}.md5" ]]; then
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msg -n ":: Self-test requested, please wait..."
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@ -188,17 +174,8 @@ archiso_mount_handler() {
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fi
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mkdir -p "/run/archiso/cowspace/${cow_directory}"
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local aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size
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while read aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size; do
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[[ "${aitab_img#\#}" != "${aitab_img}" ]] && continue
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[[ "${aitab_arch}" != "any" && "${aitab_arch}" != "${arch}" ]] && continue
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if [[ "${aitab_fs_type}" != "none" ]]; then
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_mnt_sfs "/run/archiso/bootmnt/${archisobasedir}/${aitab_arch}/${aitab_img}.fs.sfs" "/run/archiso/sfs/${aitab_img}"
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_mnt_fs "/run/archiso/sfs/${aitab_img}/${aitab_img}.fs" "${newroot}" "${aitab_mnt}"
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else
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_mnt_sfs "/run/archiso/bootmnt/${archisobasedir}/${aitab_arch}/${aitab_img}.sfs" "${newroot}${aitab_mnt}"
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fi
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done < "${aitab}"
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_mnt_sfs "/run/archiso/bootmnt/${archisobasedir}/${arch}/airootfs.fs.sfs" "/run/archiso/sfs/airootfs"
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_mnt_fs "/run/archiso/sfs/airootfs/airootfs.fs" "${newroot}" "/"
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if [[ "${copytoram}" == "y" ]]; then
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umount /run/archiso/bootmnt
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@ -34,21 +34,7 @@ archiso_pxe_http_mount_handler () {
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mkdir -p "/run/archiso/httpspace"
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mount -t tmpfs -o size="${archiso_http_spc}",mode=0755 httpspace "/run/archiso/httpspace"
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local _aitab_url="${archiso_http_srv}${aitab#/run/archiso/bootmnt/}"
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local _aitab_file="/run/archiso/httpspace/${aitab#/run/archiso/bootmnt/}"
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_curl_get "${_aitab_url}" "/"
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local aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size
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while read aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size; do
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[[ "${aitab_img#\#}" != "${aitab_img}" ]] && continue
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[[ "${aitab_arch}" != "any" && "${aitab_arch}" != "${arch}" ]] && continue
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if [[ "${aitab_fs_type}" != "none" ]]; then
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_curl_get "${archiso_http_srv}${archisobasedir}/${aitab_arch}/${aitab_img}.fs.sfs" "/${aitab_arch}"
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else
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_curl_get "${archiso_http_srv}${archisobasedir}/${aitab_arch}/${aitab_img}.sfs" "/${aitab_arch}"
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fi
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done < "${_aitab_file}"
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_curl_get "${archiso_http_srv}${archisobasedir}/${arch}/airootfs.fs.sfs" "/${arch}"
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if [[ "${checksum}" == "y" ]]; then
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_curl_get "${archiso_http_srv}${archisobasedir}/checksum.${arch}.md5" "/"
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@ -304,11 +304,7 @@ command_checksum () {
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_msg_info "Creating checksum file for self-test (${_chk_arch})..."
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cd "${work_dir}/iso/${install_dir}"
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if [[ -d "${_chk_arch}" ]]; then
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md5sum aitab > checksum.${_chk_arch}.md5
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find ${_chk_arch} -type f -print0 | xargs -0 md5sum >> checksum.${_chk_arch}.md5
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if [[ -d "any" ]]; then
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find any -type f -print0 | xargs -0 md5sum >> checksum.${_chk_arch}.md5
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fi
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find ${_chk_arch} -type f -print0 | xargs -0 md5sum > checksum.${_chk_arch}.md5
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fi
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cd ${OLDPWD}
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_msg_info "Done!"
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@ -375,39 +371,23 @@ command_iso () {
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fi
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}
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# Parse aitab and create each filesystem specified on that, and push it in "iso" directory.
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# create airootfs.fs.sfs filesystem, and push it in "iso" directory.
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command_prepare () {
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if [[ ! -f "${work_dir}/iso/${install_dir}/aitab" ]]; then
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_msg_error "The file '${work_dir}/iso/${install_dir}/aitab' does not exist." 1
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fi
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_show_config prepare
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_cleanup
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local _aitab_img _aitab_mnt _aitab_arch _aitab_sfs_comp _aitab_fs_type _aitab_fs_size
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while read _aitab_img _aitab_mnt _aitab_arch _aitab_sfs_comp _aitab_fs_type _aitab_fs_size ; do
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if [[ ${_aitab_img} =~ ^# ]]; then
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continue
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fi
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if [[ "${_aitab_arch}" != "any" && "${_aitab_arch}" != "${arch}" ]]; then
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continue
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fi
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local _src="${work_dir}/${_aitab_img}"
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local _dst="${work_dir}/iso/${install_dir}/${_aitab_arch}"
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local _src="${work_dir}/airootfs"
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local _dst="${work_dir}/iso/${install_dir}/${arch}"
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mkdir -p "${_dst}"
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if [[ ${_aitab_fs_type} != "none" ]]; then
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if _is_directory_changed "${_src}" "${_dst}/${_aitab_img}.fs.sfs"; then
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_mkfs ${_aitab_img}
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_mksfs ${_aitab_img}.fs
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if _is_directory_changed "${_src}" "${_dst}/airootfs.fs.sfs"; then
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_mkfs airootfs
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_mksfs airootfs.fs
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mv "${_src}.fs.sfs" "${_dst}"
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rm "${_src}.fs"
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fi
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else
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if _is_directory_changed "${_src}" "${_dst}/${_aitab_img}.sfs"; then
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_mksfs ${_aitab_img}
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mv "${work_dir}/${_aitab_img}.sfs" "${_dst}"
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fi
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fi
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done < "${work_dir}/iso/${install_dir}/aitab"
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}
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# Install packages on airootfs.
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@ -1,2 +0,0 @@
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# <img> <mnt> <arch> <sfs_comp> <fs_type> <fs_size>
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airootfs / %ARCH% gzip ext4 50%
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@ -60,12 +60,7 @@ make_isolinux() {
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cp ${work_dir}/airootfs/usr/lib/syslinux/bios/ldlinux.c32 ${work_dir}/iso/isolinux/
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}
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# Process aitab
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make_aitab() {
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sed "s|%ARCH%|${arch}|g" ${script_path}/aitab > ${work_dir}/iso/${install_dir}/aitab
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}
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# Build all filesystem images specified in aitab (.fs.sfs .sfs)
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# Build airootfs filesystem image
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make_prepare() {
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mkarchiso -v -w "${work_dir}" -D "${install_dir}" prepare
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}
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@ -81,6 +76,5 @@ run_once make_setup_mkinitcpio
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run_once make_boot
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run_once make_syslinux
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run_once make_isolinux
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run_once make_aitab
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run_once make_prepare
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run_once make_iso
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@ -1,3 +0,0 @@
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# <img> <mnt> <arch> <sfs_comp> <fs_type> <fs_size>
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airootfs / i686 xz ext4 50%
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airootfs / x86_64 xz ext4 50%
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@ -182,13 +182,7 @@ make_efiboot() {
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umount ${work_dir}/efiboot
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}
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# Copy aitab
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make_aitab() {
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mkdir -p ${work_dir}/iso/${install_dir}
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cp ${script_path}/aitab ${work_dir}/iso/${install_dir}/aitab
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}
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# Build all filesystem images specified in aitab (.fs.sfs .sfs)
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# Build airootfs filesystem image
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make_prepare() {
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cp -a -l -f ${work_dir}/${arch}/airootfs ${work_dir}
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setarch ${arch} mkarchiso ${verbose} -w "${work_dir}" -D "${install_dir}" pkglist
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@ -253,8 +247,6 @@ run_once make_isolinux
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run_once make_efi
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run_once make_efiboot
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run_once make_aitab
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for arch in i686 x86_64; do
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run_once make_prepare
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done
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@ -23,8 +23,6 @@ INDEX
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Default: "/dev/disk/by-label/${archisolabel}"
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* archisobasedir= Set the base directory where all files reside.
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Default: "arch"
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* aitab= Set the path for "aitab" file.
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Default: ${archisobasedir}/aitab
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* copytoram= If set to "y" or just "copytoram" without arguments,
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all SquashFS are copied to "RAM".
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Default: (unset)
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@ -59,10 +57,6 @@ INDEX
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Default: "75%"
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* dm_snap_prefix= Set a prefix for device-mapper snapshot node names.
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Default: "arch"
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* arch= Force an architecture type (i686 | x86_64).
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Do not set it for normal operations.
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Useful for running a 64 bit kernel / 32 bit userspace.
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Default: (architecture of running kernel)
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** hooks/archiso_pxe_common
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@ -2,9 +2,6 @@ INDEX
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-----
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* Build requirements
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* Image types generated by mkarchiso.
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* File format for aitab.
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* Why the /isolinux and /arch/boot/syslinux directories?
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* Building the most basic Arch Linux live media. (configs/baseline)
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* Building official Arch Linux live media. (configs/releng)
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@ -39,52 +36,10 @@ INDEX
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+ (none)
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*** Image types generated by mkarchiso.
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* image-name.sfs SquashFS image with all files directly on it.
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[read-only, no dm-snapshot is used]
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* image-name.fs.sfs SquashFS with only one file inside (image-name.fs),
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which is an image of some type of filesystem
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(ext4, ext3, ext2, xfs, btrfs), all files reside on it.
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[read-write, via COW image with dm-snapshot]
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*** File format for aitab.
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The aitab file holds information about the filesystems images that must be
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created by mkarchiso and mounted at initramfs stage from the archiso hook.
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It consists of some fields which define the behaviour of images.
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# <img> <mnt> <arch> <sfs_comp> <fs_type> <fs_size>
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<img> Image name without extension (.fs .fs.sfs .sfs).
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<mnt> Mount point.
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<arch> Architecture { i686 | x86_64 | any }.
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<sfs_comp> SquashFS compression type { gzip | lzo | xz }.
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<fs_type> Set the filesystem type of the image
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{ ext4 | ext3 | ext2 | xfs | btrfs }.
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A special value of "none" denotes no usage of a filesystem.
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In that case all files are pushed directly to SquashFS filesystem.
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<fs_size> An absolute value of file system image size in MiB.
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(example: 100, 1000, 4096, etc)
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A relative value of file system free space [in percent].
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{1%..99%} (example 50%, 10%, 7%).
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This is an estimation, and calculated in a simple way.
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Space used + 10% (estimated for metadata overhead) + desired %
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*** Why the /isolinux and /arch/boot/syslinux directories?
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The /isolinux directory holds files needed for the ISOLINUX boot loader
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module of SYSLINUX. ISOLINUX can not find config files on
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/arch/boot/syslinux, like other boot loaders modules (SYSLINUX, PXELINUX).
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*** Building the most basic Arch Linux live media. (configs/baseline)
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* Install needed packages.
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# pacman -S git make arch-install-scripts squashfs-tools libisoburn rsync --needed
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# pacman -S git make arch-install-scripts squashfs-tools libisoburn --needed
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* Install archiso.
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# git clone git://projects.archlinux.org/archiso.git
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